Carburetor control for automobiles



Feb. 16, 1937. AJDUKQvlCH 2,071,013

CARBURETOR CONTROL FOR AUTOMOBILES Filed July 16, 193e.

refereed Feb. 1s, 1937 y 2,071,013

` UNITE-o STATE-s PATENT OFFICE CARBURETOR CONTROL FOR l AUTOMOBILES George Ajdukovich,'St. Louis, Mo. Application July 16, 1936, Serial No. 91,004

9 Claims. (Cl. 1923)` This invention relates to carburetor controls Referring now to the drawing in detail, I inand more particularly to means for controlling dicates the floor-board of an automobile which the accelerator controls associated with an autois provided with the usual accelerator pedal II mobile carburetor by either foot. normally at the right and adapted to be actu- 'I'he present invention is an improvement over ated by the right foot of the driver. Adjacent 5 the construction disclosed in rrw prior Patent N0. this accelerator pedal II is the usual foot brake 1,843,090, dated January 26, 1932, and one of the pedal I2 and clutch pedal I3, while near the left objects of the invention is to simplify the aforeside of the car is a second or auxiliary accelerator said construction and to reduce its cost of manupedal I4 adapted to be actuated by the left foot, l0 facture. A further object is to provide a more all as will be more fully set forth hereinafter. 10

reliable and eiiicient mechanism of the above` To those who are familiar with driving autogeneral character which may be less expensivemobiles, it may be stated that, especially when ly manufactured, assembled, and applied to autoon long trips, the drivers right foot becomes mobiles now in general use, without material cramped from being kept constantly in the same alteration or additions to the standard control position on th"e accelerator pedal i i` By means of ,i5 parts. A further object of the present inventhe present invention, he may shift over and use tion is to provide an improved mechanism -of the his 1eft foot on the pedal i4 when desired, thus f above general character which may be convenbeing free to move his right foot from the iently mounted upon en automobile and easily cramped position. In so doing he knows there and quickly Connected With the present accel is no danger of accident with the present con- 20 ertOl Fede-1, whereby the alltOmOble may be struction for, according to this invention, if and driven under the control of either the right or left when he puts his right foot on the brake I2 while foot, as desired. thus greatly relieving the Strain even accidentally holding the accelerator pedal on the'driver when making long trips. I4 down with his left foot, the carburetor actu- Other objects Will be in part Obvious from the lating mechanism will be disconnected and thev annexed drawing and in part hereinafter indiengine assume idling speed. Mechanism is therecated in connection with the following analysis fore provided, e5 wlll now be described, for oon.. of this invention. trolling the carburetor from either pedal II or This invention eeeOrdingly CODSiStS in the fea- I4 and for.automatically disconnecting the pedal tllI'eS 0f COIlStllletiOIl, @Ombnation 0f Darts, and Il from the gas control or carburetor when the 30 in the unique relation of the members and in fool; brake lz is applied, the relative proportioning and disposition there'- The accelerator pedal is provided with e, 0f, all aS more Completely Outlined herein. Stem l5 cgnnected to one arm I6 gf a, linkage To enable others skilled in the art fully to mechanism plvoted et l1, the other end being comprehend the Underlying features 0f this in' connected as by wire I9, in any well known man- 35 vention, that they may embody the Same by the ner, with the carburetor (not shown). A spring numerous modifications in structure and rela- 20 normally holds the aooelerator pedal ln raised tion contemplated by the invention, a drawing deposition, as Shown ln Fig, 4 picting a preferred form of thev invention has The auxiliary pedal lq ls provided with o, stem 40 been annexed eS e Part 0f this disclosure, and in 22 (Fig. 3) Ahaving at its lower end a connection 40 such drawing like characters of reference dewith a, longitudinally extending rook elle 23. note COrreSDOnding Darts throughout all 0f the which is mounted within a casing 24 of generviews, in whichally rectangular shape, as shown more clearly in Fig. 1 1S e Perspective View, partly in Section Fig. 1, this casing being secured by side flanges showing the essentiel Darts 0f the dual Control 25 and 26 with the oor-board I0 of the car as by 45 mechanism in an automobile; means of screws 21. The ends of this rectangu- Fig. 2 is a detail plan view, partly in Section, lar casing 24 have downwardly extending ears showing the complete mechanism; 2s near each end, which act as bearings for the Fig.r 3 is a detail sectional view showing the shaft 23 vThis shaft is free to move longltudlsame parts as in Fig. 2; nally within certain limits and also to oscillate 50 Fig. 4 is a detail view, partly in SeCtOn Show' in the bearings 28 when either of the pedals II ing the usual accelerator pedal and its connecor H is depressed This Shaft as shown more tion with the attachment; clearly in Fig. 2, has a xed connection with the mg. 5 is perspective View of certain pedal stem as means of screw wmle parte 0f the mechanismthe opposite end is provided with a pin 3l which 55 coactswithanotchtlinacollarsurrounding onepartoialever, endotwhichhasaslottedengagementas enginethroughtheauxiliarypedal Ilandthe attachment mechanism above described. This merelynecemtatesalateraltowards thecamm'echanisrntomovetheshaittowardstheletmtherebytodisconnectthcshatt 23 fromthepedal Il,therebyallowingthispedalli returntolts rmalpositiongivingidling to the engine. Thereafter the operator resumedrivingwithhisrightiootithe sodesiresormerelyactuatesthelatchtltorelconnect the auxiliarypedal I4.

Ihe invention is of simple and practical construction, having relatively few parts which may be inexpensively manufactured and assembled. The device is also foolproof, reliable and edicient initsoperatiomandasanattachmentmaybe .quickly applied to the' single-pedal control moonanismsncwingeneralusewithoutmaterialmodication or alteration.

Withoutfurtheranalysistheioregoingwillso fullyrevealthegistofthisinventionthatothers canbyapplyingcurrentknowledgereadilyadapt it for various applications withmit omitting certainieaturesthat.iromthestandpointoithe prior art, iairly constitute essential charaete -ticsofthegenericorspeciilcaspeetsoithisinvention, and therefore such adaptations should and are intended to be comprehended within the meaning and range ot equivalency or the followins claims.

I claim:-

l. An attachment-tor the speed control o! motor vehicles, having a main accelerator pedal and a brake pedal, comprising, in combination, anauxiliary acceleratcrpedal,anaxially androtatably movable rod connecting the auxiliary pedal with the main pedal, and means operative between said rod and the brake pedal tor interrupting this connection when said brake pedal is actuated.

2. An attachment i'or the accelerator con'rol ot motor vehicles having a main accelerator pedal and a brake pedal, comprising. in combination, anauxiliaryacceleratorpedaLarodhavinga iixedconnectionwiththeauxiiiarypedalanda A detachable connection with the main accelerator pedal.andmeansresponsive tobrakepedalactuation for shifting said rod Vlongitudinally to in- `terrupt said last connection.

3. An attachment for the accelerator control oimotorvehicleshaving amainacceleratorpedal and a brake pedal, comprising, in combination. a supportingplateadaptedtobesecuredtothevehicle, an auxiliary accelerator pedal, a rod supported from said plate and having means operatively connected with the auxiliary accelerator pedalandthemainacceleratorpedaLandmeans, -responsive to brake pedal actuation for shifting said rod longitudinally to interrupt one oi such connections. said means including a cam operativebetweentherodandthebrakepedal.

4. An attachment for the accelerator control of motor vehicles having a main accelerator pedal and a brake pedal, comprising. in combination, asupporting plateadaptedtobesecuredtothe vehicle, an auxiliary accelerator pedal, a rod supported fromsaid plate and having connections with the auxiliary accelerator and the main accelerator. and means for shifting said rod longitudinally to interrupt one ot said connections. saidmeansinchidingacamonthebrakepedsl, and means for-returning the parts to normal position after disconnecting movement.

5. In a motor vehicle. in combination, a brake pedal, an accelerator pedal, and an attachment comprising an auxiliary accelerator, and connections between the auxiliary accelerator and main accelerator whereby the car may be controlled by either foot, and means operative between the brake pedal and said attachment for disconnecting the auxiliary accelerator when the brake is actuated including an axially movable and rotatable shaft.

6. In a motor vehicle, in combination, a brake pedal, an accelerator pedal, and an attachment comprising an auxiliary accelerator pedal.- and connections between the auxiliary accelerator pedal and main accelerator pedal whereby the vehicle may be controlled byeither foot, and meansfordisconnectingtheauxiliarypedalwhen the brake pedal is actuated. said means including an axially movable and rotatable shaft, and meansadapted tobeactuatedbythebrakepedal ior producing such longitudinal movement.

'l'. In a motor vehicle. in combination, a brake pedal, an accelerator pedal. an attachment comprising an auxiliary pedal and connections inchidingarockshaitbetweentheauxiliaryand mainaeceleratorpedalswherebythespeedoi'fl aovaois the vehicle may be controlled by either foot, means operative between the brake pedal and said attachment for disconnectinathe auxiliary pedal when the brake pedal is actuated, salti. means including elements actuable by the brake pedal for producing axial movement of lthe rock shaft, and means for returning the accelerator pedals to normal position.

8. In combination with an accelerator pedal and brake pedal of an automobile, an attachment for providingdual control of the speed o! the vehicle comprising a plate adapted to be mounted upon the vehicle, an auxiliary pedal operable through said plate, spring means normally holding said pedal in raised position, an axially movable rock shaft mounted on said plate and having its ends connected with the main raccelerator pedal, and means operative between said rock shaft and tne brake pedal adaptedto mofve the' rock shaft axially on depression oi the brake,

and the brake pedal adapted to move the rock4 shaft axially on depression of the brake, thereby to disconnect the auxiliary accelerator pedal from Ithe main accelerator, and manually controlled means for reconnecting the auxiliary pedal to the control mechanism on release o! the brakes.

GEO. AJDUKOVICH. 20 

